2. WIRING
2-21
Flexible waveguide
The connector at the antenna side is pre-attached to the flexible waveguide. The
bending radius shown below must be observed to prevent damage to the waveguide.
Bending radiuso E-bend: 200 mm, H-bend: 400 mm
2.3.2 How to connect the cables for X-band (TR-DOWN) radar
1. Unfasten four bolts from the
rear cover to remove the rear
cover. If the de-icer is al-
ready installed or will be in-
stalled, remove two bolts
inside the antenna to remove
the front cover.
Note 1: The cable for the
performance monitor is con-
nected between the rear cov-
er and the RF-TB Board in the Antenna Unit. Open the cover slowly to prevent
damage to the cable and connector.
Note 2: If the de-icer is to be installed, spread open the right and left heater ele-
ments on the cover, then remove the front cover, being careful not to hit the ele-
ments on the radiator or chassis.
2. Disconnect the performance monitor connector (J807) from the RF-TB Board.
Crimp-on lug (FV2-4), supplied
6
945
40
10
Outer sheath Armor Inner sheath
Vinyl tape
Spiral tubing
(unit: mm)
For de-icer installation
REARREAR
J807
(performance
monitor)
J807
(performance
monitor)
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